Outdoor Unit SiUS041501E
21 Printed Circuit Board Connector Wiring Diagram
2.2 RXN18NMVJU, RK(X)18NMVJU, 24 class
Main PCB
Caution Replace the PCB if you accidentally cut a wrong jumper.
Jumpers are necessary for electronic circuit. Improper operation may occur if you cut any of them.
1) S20 Connector for electronic expansion valve coil
2) S40 Connector for overload protector
3) S70 Connector for DC fan motor
4) S80 Connector for four way valve coil (heat pump model only)
5) S90 Connector for thermistors
(outdoor temperature, outdoor heat exchanger, discharge pipe)
6) HL1, HN1, S Connector for terminal board
7) E1, E2 Terminal for ground
8) U, V, W Connector for compressor
9) FU1, FU2 Fuse (3.15 A, 250 V)
10)FU3 Fuse (30 A, 250 V)
11)J6 Jumper for facility setting (RK(X)-N models only)
∗ Refer to page 107 for detail.
12)LED A LED for service monitor (green)
13)V1, V2, V3 Varistor
U, V, W
FU3
FU1
FU2
V3
V2
V1
S20S80 S40 S90
J6
S70
2P382390-6
E1, E2
HL1, HN1, S
LED A
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